package org.lkp.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.lkp.reggie.pojo.dto.DishDto;
import org.lkp.reggie.pojo.entity.Category;
import org.lkp.reggie.pojo.entity.Dish;
import org.lkp.reggie.pojo.entity.DishFlavor;
import org.lkp.reggie.response.R;
import org.lkp.reggie.service.CategoryService;
import org.lkp.reggie.service.DishFlavorService;
import org.lkp.reggie.service.DishService;
import org.springframework.beans.BeanUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/dish")
@RequiredArgsConstructor
@Slf4j
public class DishController {
    private final DishService dishService;
    private final DishFlavorService dishFlavorService;
    private final CategoryService categoryService;
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info("dishDto:{}",dishDto);
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }
    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name){
        //构造分页构造器
        Page<Dish> pageInfo = new Page<>(page,pageSize);
        Page<DishDto>dishDtoPage=new Page<>();
        //条件构造器
        LambdaQueryWrapper<Dish> wrapper=new LambdaQueryWrapper<>();
        //添加过滤条件
        wrapper.like(name!=null,Dish::getName,name);
        //添加排序条件
        wrapper.orderByDesc(Dish::getUpdateTime);
        //执行分页查询
        dishService.page(pageInfo,wrapper);
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto>list= records.stream().map((item)->{
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }

            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功！");
    }
    //根据条件查询对应的菜品数据
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list=dishService.list(queryWrapper);
        List<DishDto>dishDtoList=null;
        dishDtoList=list.stream().map((item)->{
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor>wrapper=new LambdaQueryWrapper<>();
            wrapper.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> list1 = dishFlavorService.list(wrapper);
            dishDto.setFlavors(list1);
            return dishDto;
        }).collect(Collectors.toList());
        return R.success(dishDtoList);
    }
}
